16位计数及激光测距仪的源程序,C源代码,对学习有很好的参考价值....

双音频解码器MT8870的驱动，用串口接收数据，可从串口调试器查看接收的数据-dual audio decoder di drives with Serial receive data from the serial debugger view of the data received

arm7 bootloader source, very good-arm7 Bootloader source, very good

51单片机扩展usb方安 51单片机扩展usb方安-51 Single-chip Single-chip expansion usb Mrs 51 Mrs usb expansion

单片机实现DES的程序包-DES realize single-chip package

=== =时钟20:6=== === == 应先初始化状态寄存器 tx1714 EQU 7FFH PA EQU 05H PB EQU 06H PC EQU 07H PD EQU 20H IAR EQU 00H 间接寻址寄存器 TMR0 EQU 01H 定时器 STATUS EQU 03H 状态寄存器 BSR EQU 04H bank选择寄存器 PORTA EQU 05H I/0端口寄存器 PORTB EQU 06H I/0端口寄存器 PORTC EQU 07H I/0端口寄存器 PORTD EQU 20H I/0端口寄存器 PULL EQU 21H PULL-High上拉寄存器 WAKEUP EQU 22H 唤醒控制寄存器－－被用来设定watchdog允许和禁止 IRQM EQU 23H 中断屏蔽寄存器 IRQF EQU 24H 中断标志寄存器 WDTSEL EQU 25H -=== === = clock 20 : 6 === === === == should first register initialization state tx1714 EQU 7FFH EQU PA PB EQU 05H 06H 07H PC EQU PD EQU 20H IAR E QU 00H indirectly addressable registers TMR0 EQU 01H timer STATUS EQU Mr send state BSR EQU-deposit bank in the 04H choice Register PORTA EQU 05H I/O ports Register P ORTB EQU 06H I/O ports Register PORTC EQU 07H I/O ports Register POR TD EQU 20H I/O ports Register PULL EQU 21H PULL-High pull Register WAKEUP EQU 22H awaken control registers-- were used to set watchdog allowed and prohi

这里是几个c51延时小程序,希望各们同仁多指教.-c51delay

这是一个有关单片机C语言使用的范例，这个范例说明如何使用 Port 1 输出跑马灯 -This is a single-chip using C language examples, this example illustrates how to use the Port 1 output Marquee

LED扫描驱动程序，是16分之一扫描，包含多种模式，闪烁时间可调。-LED Scan driver, is one of 16 sub-scanning, contains a variety of patterns, adjustable flashing time.

单片机模数转化程序，主程序时一位从事单片机工作多年的资深教授所编写-SCM modulus conversion process, the main program in a microcontroller when a senior professor for many years to prepare

Max7219驱动四位数码管LED，用于AVR mega64单片机，已经调试通过。-MAX7219 drives four digital tube LED, used for single-chip AVR mega64 have been debug through.